Roof structure



FIG. 1 is a view in perspective of a roof structure according to my invention, and representing a view of what may form the front/side, or rear/side, or vice versa, of such roof structure, but which for ease of description will be designated as a front/side view.

FIG. 2 is a plan view of the roof structure of FIG. 1.

FIG. 3 is an end elevation view of the roof structure of FIG. 1, according to the illustrative convention adopted for FIG. 1.

FIGS. 4 and 5 are opposite side elevation views of the roof structure of FIG. 1. 

The ornamental design for a roof structure, substantially as shown. 